#include<bits/stdc++.h>
using namespace std;
int n,ans,k;
int r[100005];
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>r[i];
    }
    sort(r,r+n+1);
    k=1;
    for(int i=2;i<=n;i++){
        if(r[i]>r[k]){
            ans++;
            k++;
        }
    }
    cout<<n-ans;
    fclose(stdin);
    fclose(stdout);
    return 0;
}
